package pack0818.c;

public class U盘 implements USB,USB3{
    @Override
    public void chaRu() {
        System.out.println("开始读取U盘");
    }
    @Override
    public void baChu() {
        System.out.println("U盘拔出");
    }

    @Override
    public void kuaiSuChongDian() {
        System.out.println("充电五分钟，通话两小时");
    }
}
